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BRE - Passivhaus Primer

This primer is an aid to developers, architects and aspiring self-builders in understanding the key principles of PassivHaus design. The term ‘PassivHaus’ refers to a voluntary, ultra low-energy construction standard first developed over a decade ago by Dr Wolfgang Feist of the Passivhaus Institut Germany.

GAULHOFER has been manufacturing windows for more than 90 years.

The company, which is still family owned, was founded by Karl Gaulhofer as a carpenter and cabinet maker’s shop in Frohnleiten in Styria in 1919. Actual industrial window production commenced in 1963 when GAULHOFER started producing so-called standard windows as one of the first companies in Austria. This corresponded with the building boom during the wirtschaftswunder years, and the standard windows were soon sold via a dealer network covering all of Austria.

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Vilbaiva Fenster

“Vilbaiva Fenster” has been serving its customers through manufacturing high quality wooden windows and doors since 1949. With a wealth of more than sixty years experience and service we pride ourselves on being one of the most established and respected window companies in Lithuania.

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